new file mode 100644
@@ -0,0 +1,409 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Octeon III BGX Ethernet Driver
+ *
+ * Copyright (C) 2018 Cavium, Inc.
+ */
+#ifndef _OCTEON3_H_
+#define _OCTEON3_H_
+
+#include <linux/module.h>
+#include <linux/netdevice.h>
+#include <linux/platform_device.h>
+
+#include <asm/octeon/octeon.h>
+
+#define MAX_NODES 2
+#define NODE_MASK (MAX_NODES - 1)
+#define MAX_BGX_PER_NODE 6
+#define MAX_LMAC_PER_BGX 4
+
+#define IOBDMA_ORDERED_IO_ADDR 0xffffffffffffa200ull
+#define LMTDMA_ORDERED_IO_ADDR 0xffffffffffffa400ull
+
+#define SCRATCH_BASE 0xffffffffffff8000ull
+#define PKO_LMTLINE 2ull
+#define LMTDMA_SCR_OFFSET (PKO_LMTLINE * CVMX_CACHE_LINE_SIZE)
+
+/* Pko sub-command three bit codes (SUBDC3) */
+#define PKO_SENDSUBDC_GATHER 0x1
+
+/* Pko sub-command four bit codes (SUBDC4) */
+#define PKO_SENDSUBDC_TSO 0x8
+#define PKO_SENDSUBDC_FREE 0x9
+#define PKO_SENDSUBDC_WORK 0xa
+#define PKO_SENDSUBDC_MEM 0xc
+#define PKO_SENDSUBDC_EXT 0xd
+
+#define BGX_RX_FIFO_SIZE (64 * 1024)
+#define BGX_TX_FIFO_SIZE (32 * 1024)
+
+/* Registers are accessed via xkphys */
+#define SET_XKPHYS BIT_ULL(63)
+#define NODE_OFFSET(node) ((node) * 0x1000000000ull)
+
+/* Bgx register definitions */
+#define BGX_BASE 0x11800e0000000ull
+#define BGX_OFFSET(bgx) (BGX_BASE + ((bgx) << 24))
+#define INDEX_OFFSET(index) ((index) << 20)
+#define INDEX_ADDR(n, b, i) (SET_XKPHYS + NODE_OFFSET(n) + \
+ BGX_OFFSET(b) + INDEX_OFFSET(i))
+#define CAM_OFFSET(mac) ((mac) << 3)
+#define CAM_ADDR(n, b, m) (INDEX_ADDR(n, b, 0) + CAM_OFFSET(m))
+
+#define BGX_CMR_CONFIG(n, b, i) (INDEX_ADDR(n, b, i) + 0x00000)
+#define BGX_CMR_GLOBAL_CONFIG(n, b) (INDEX_ADDR(n, b, 0) + 0x00008)
+#define BGX_CMR_RX_ID_MAP(n, b, i) (INDEX_ADDR(n, b, i) + 0x00028)
+#define BGX_CMR_RX_BP_ON(n, b, i) (INDEX_ADDR(n, b, i) + 0x00088)
+#define BGX_CMR_RX_ADR_CTL(n, b, i) (INDEX_ADDR(n, b, i) + 0x000a0)
+#define BGX_CMR_RX_FIFO_LEN(n, b, i) (INDEX_ADDR(n, b, i) + 0x000c0)
+#define BGX_CMR_RX_ADRX_CAM(n, b, m) (CAM_ADDR(n, b, m) + 0x00100)
+#define BGX_CMR_CHAN_MSK_AND(n, b) (INDEX_ADDR(n, b, 0) + 0x00200)
+#define BGX_CMR_CHAN_MSK_OR(n, b) (INDEX_ADDR(n, b, 0) + 0x00208)
+#define BGX_CMR_TX_FIFO_LEN(n, b, i) (INDEX_ADDR(n, b, i) + 0x00418)
+#define BGX_CMR_TX_LMACS(n, b) (INDEX_ADDR(n, b, 0) + 0x01000)
+
+#define BGX_SPU_CONTROL1(n, b, i) (INDEX_ADDR(n, b, i) + 0x10000)
+#define BGX_SPU_STATUS1(n, b, i) (INDEX_ADDR(n, b, i) + 0x10008)
+#define BGX_SPU_STATUS2(n, b, i) (INDEX_ADDR(n, b, i) + 0x10020)
+#define BGX_SPU_BX_STATUS(n, b, i) (INDEX_ADDR(n, b, i) + 0x10028)
+#define BGX_SPU_BR_STATUS1(n, b, i) (INDEX_ADDR(n, b, i) + 0x10030)
+#define BGX_SPU_BR_STATUS2(n, b, i) (INDEX_ADDR(n, b, i) + 0x10038)
+#define BGX_SPU_BR_BIP_ERR_CNT(n, b, i) (INDEX_ADDR(n, b, i) + 0x10058)
+#define BGX_SPU_BR_PMD_CONTROL(n, b, i) (INDEX_ADDR(n, b, i) + 0x10068)
+#define BGX_SPU_BR_PMD_LP_CUP(n, b, i) (INDEX_ADDR(n, b, i) + 0x10078)
+#define BGX_SPU_BR_PMD_LD_CUP(n, b, i) (INDEX_ADDR(n, b, i) + 0x10088)
+#define BGX_SPU_BR_PMD_LD_REP(n, b, i) (INDEX_ADDR(n, b, i) + 0x10090)
+#define BGX_SPU_FEC_CONTROL(n, b, i) (INDEX_ADDR(n, b, i) + 0x100a0)
+#define BGX_SPU_AN_CONTROL(n, b, i) (INDEX_ADDR(n, b, i) + 0x100c8)
+#define BGX_SPU_AN_STATUS(n, b, i) (INDEX_ADDR(n, b, i) + 0x100d0)
+#define BGX_SPU_AN_ADV(n, b, i) (INDEX_ADDR(n, b, i) + 0x100d8)
+#define BGX_SPU_MISC_CONTROL(n, b, i) (INDEX_ADDR(n, b, i) + 0x10218)
+#define BGX_SPU_INT(n, b, i) (INDEX_ADDR(n, b, i) + 0x10220)
+#define BGX_SPU_DBG_CONTROL(n, b) (INDEX_ADDR(n, b, 0) + 0x10300)
+
+#define BGX_SMU_RX_INT(n, b, i) (INDEX_ADDR(n, b, i) + 0x20000)
+#define BGX_SMU_RX_FRM_CTL(n, b, i) (INDEX_ADDR(n, b, i) + 0x20008)
+#define BGX_SMU_RX_JABBER(n, b, i) (INDEX_ADDR(n, b, i) + 0x20018)
+#define BGX_SMU_RX_CTL(n, b, i) (INDEX_ADDR(n, b, i) + 0x20030)
+#define BGX_SMU_TX_APPEND(n, b, i) (INDEX_ADDR(n, b, i) + 0x20100)
+#define BGX_SMU_TX_MIN_PKT(n, b, i) (INDEX_ADDR(n, b, i) + 0x20118)
+#define BGX_SMU_TX_INT(n, b, i) (INDEX_ADDR(n, b, i) + 0x20140)
+#define BGX_SMU_TX_CTL(n, b, i) (INDEX_ADDR(n, b, i) + 0x20160)
+#define BGX_SMU_TX_THRESH(n, b, i) (INDEX_ADDR(n, b, i) + 0x20168)
+#define BGX_SMU_CTRL(n, b, i) (INDEX_ADDR(n, b, i) + 0x20200)
+
+#define BGX_GMP_PCS_MR_CONTROL(n, b, i) (INDEX_ADDR(n, b, i) + 0x30000)
+#define BGX_GMP_PCS_MR_STATUS(n, b, i) (INDEX_ADDR(n, b, i) + 0x30008)
+#define BGX_GMP_PCS_AN_ADV(n, b, i) (INDEX_ADDR(n, b, i) + 0x30010)
+#define BGX_GMP_PCS_LINK_TIMER(n, b, i) (INDEX_ADDR(n, b, i) + 0x30040)
+#define BGX_GMP_PCS_SGM_AN_ADV(n, b, i) (INDEX_ADDR(n, b, i) + 0x30068)
+#define BGX_GMP_PCS_MISC_CTL(n, b, i) (INDEX_ADDR(n, b, i) + 0x30078)
+#define BGX_GMP_GMI_PRT_CFG(n, b, i) (INDEX_ADDR(n, b, i) + 0x38010)
+#define BGX_GMP_GMI_RX_FRM_CTL(n, b, i) (INDEX_ADDR(n, b, i) + 0x38018)
+#define BGX_GMP_GMI_RX_JABBER(n, b, i) (INDEX_ADDR(n, b, i) + 0x38038)
+#define BGX_GMP_GMI_TX_THRESH(n, b, i) (INDEX_ADDR(n, b, i) + 0x38210)
+#define BGX_GMP_GMI_TX_APPEND(n, b, i) (INDEX_ADDR(n, b, i) + 0x38218)
+#define BGX_GMP_GMI_TX_SLOT(n, b, i) (INDEX_ADDR(n, b, i) + 0x38220)
+#define BGX_GMP_GMI_TX_BURST(n, b, i) (INDEX_ADDR(n, b, i) + 0x38228)
+#define BGX_GMP_GMI_TX_MIN_PKT(n, b, i) (INDEX_ADDR(n, b, i) + 0x38240)
+#define BGX_GMP_GMI_TX_SGMII_CTL(n, b, i) (INDEX_ADDR(n, b, i) + 0x38300)
+
+/* XCV register definitions */
+#define XCV_BASE 0x11800db000000ull
+#define SET_XCV_BASE(node) (SET_XKPHYS + NODE_OFFSET(node) + \
+ XCV_BASE)
+#define XCV_RESET(node) (SET_XCV_BASE(node) + 0x0000)
+#define XCV_DLL_CTL(node) (SET_XCV_BASE(node) + 0x0010)
+#define XCV_COMP_CTL(node) (SET_XCV_BASE(node) + 0x0020)
+#define XCV_CTL(node) (SET_XCV_BASE(node) + 0x0030)
+#define XCV_INT(node) (SET_XCV_BASE(node) + 0x0040)
+#define XCV_INBND_STATUS(node) (SET_XCV_BASE(node) + 0x0080)
+#define XCV_BATCH_CRD_RET(node) (SET_XCV_BASE(node) + 0x0100)
+
+/* Gser register definitions */
+#define GSER_BASE 0x1180090000000ull
+#define GSER_OFFSET(gser) (GSER_BASE + ((gser) << 24))
+#define GSER_LANE_OFFSET(lane) ((lane) << 20)
+#define GSER_LANE_ADDR(n, g, l) (SET_XKPHYS + NODE_OFFSET(n) + \
+ GSER_OFFSET(g) + GSER_LANE_OFFSET(l))
+#define GSER_PHY_CTL(n, g) (GSER_LANE_ADDR(n, g, 0) + 0x000000)
+#define GSER_CFG(n, g) (GSER_LANE_ADDR(n, g, 0) + 0x000080)
+#define GSER_LANE_MODE(n, g) (GSER_LANE_ADDR(n, g, 0) + 0x000118)
+#define GSER_RX_EIE_DETSTS(n, g) (GSER_LANE_ADDR(n, g, 0) + 0x000150)
+#define GSER_LANE_LBERT_CFG(n, g, l) (GSER_LANE_ADDR(n, g, l) + 0x4c0020)
+#define GSER_LANE_PCS_CTLIFC_0(n, g, l) (GSER_LANE_ADDR(n, g, l) + 0x4c0060)
+#define GSER_LANE_PCS_CTLIFC_2(n, g, l) (GSER_LANE_ADDR(n, g, l) + 0x4c0070)
+
+/* Odd gser registers */
+#define GSER_LANE_OFFSET_1(lane) ((lane) << 7)
+#define GSER_LANE_ADDR_1(n, g, l) (SET_XKPHYS + NODE_OFFSET(n) + \
+ GSER_OFFSET(g) + GSER_LANE_OFFSET_1(l))
+
+#define GSER_BR_RX_CTL(n, g, l) (GSER_LANE_ADDR_1(n, g, l) + 0x000400)
+#define GSER_BR_RX_EER(n, g, l) (GSER_LANE_ADDR_1(n, g, l) + 0x000418)
+
+#define GSER_LANE_OFFSET_2(mode) ((mode) << 5)
+#define GSER_LANE_ADDR_2(n, g, m) (SET_XKPHYS + NODE_OFFSET(n) + \
+ GSER_OFFSET(g) + GSER_LANE_OFFSET_2(m))
+
+#define GSER_LANE_P_MODE_1(n, g, m) (GSER_LANE_ADDR_2(n, g, m) + 0x4e0048)
+
+#define DPI_BASE 0x1df0000000000ull
+#define DPI_ADDR(n) (SET_XKPHYS + NODE_OFFSET(n) + DPI_BASE)
+#define DPI_CTL(n) (DPI_ADDR(n) + 0x00040)
+
+enum octeon3_mac_type {
+ BGX_MAC,
+ SRIO_MAC
+};
+
+enum octeon3_src_type {
+ QLM,
+ XCV
+};
+
+struct mac_platform_data {
+ enum octeon3_mac_type mac_type;
+ int numa_node;
+ int interface;
+ int port;
+ enum octeon3_src_type src_type;
+};
+
+struct bgx_port_netdev_priv {
+ struct bgx_port_priv *bgx_priv;
+};
+
+/* Remove this define to use these enums after the last cvmx code references are
+ * gone.
+ */
+/* PKO_MEMDSZ_E */
+enum pko_memdsz_e {
+ MEMDSZ_B64 = 0,
+ MEMDSZ_B32 = 1,
+ MEMDSZ_B16 = 2,
+ MEMDSZ_B8 = 3
+};
+
+/* PKO_MEMALG_E */
+enum pko_memalg_e {
+ MEMALG_SET = 0,
+ MEMALG_SETTSTMP = 1,
+ MEMALG_SETRSLT = 2,
+ MEMALG_ADD = 8,
+ MEMALG_SUB = 9,
+ MEMALG_ADDLEN = 0xA,
+ MEMALG_SUBLEN = 0xB,
+ MEMALG_ADDMBUF = 0xC,
+ MEMALG_SUBMBUF = 0xD
+};
+
+/* PKO_QUERY_RTN_S[DQSTATUS] */
+enum pko_query_dqstatus {
+ PKO_DQSTATUS_PASS = 0,
+ PKO_DQSTATUS_BADSTATE = 0x8,
+ PKO_DQSTATUS_NOFPABUF = 0x9,
+ PKO_DQSTATUS_NOPKOBUF = 0xA,
+ PKO_DQSTATUS_FAILRTNPTR = 0xB,
+ PKO_DQSTATUS_ALREADY = 0xC,
+ PKO_DQSTATUS_NOTCREATED = 0xD,
+ PKO_DQSTATUS_NOTEMPTY = 0xE,
+ PKO_DQSTATUS_SENDPKTDROP = 0xF
+};
+
+union wqe_word0 {
+ u64 u64;
+ struct {
+ __BITFIELD_FIELD(u64 rsvd_0:4,
+ __BITFIELD_FIELD(u64 aura:12,
+ __BITFIELD_FIELD(u64 rsvd_1:1,
+ __BITFIELD_FIELD(u64 apad:3,
+ __BITFIELD_FIELD(u64 channel:12,
+ __BITFIELD_FIELD(u64 bufs:8,
+ __BITFIELD_FIELD(u64 style:8,
+ __BITFIELD_FIELD(u64 rsvd_2:10,
+ __BITFIELD_FIELD(u64 pknd:6,
+ ;)))))))))
+ };
+};
+
+union wqe_word1 {
+ u64 u64;
+ struct {
+ __BITFIELD_FIELD(u64 len:16,
+ __BITFIELD_FIELD(u64 rsvd_0:2,
+ __BITFIELD_FIELD(u64 rsvd_1:2,
+ __BITFIELD_FIELD(u64 grp:10,
+ __BITFIELD_FIELD(u64 tag_type:2,
+ __BITFIELD_FIELD(u64 tag:32,
+ ;))))))
+ };
+};
+
+union wqe_word2 {
+ u64 u64;
+ struct {
+ __BITFIELD_FIELD(u64 software:1,
+ __BITFIELD_FIELD(u64 lg_hdr_type:5,
+ __BITFIELD_FIELD(u64 lf_hdr_type:5,
+ __BITFIELD_FIELD(u64 le_hdr_type:5,
+ __BITFIELD_FIELD(u64 ld_hdr_type:5,
+ __BITFIELD_FIELD(u64 lc_hdr_type:5,
+ __BITFIELD_FIELD(u64 lb_hdr_type:5,
+ __BITFIELD_FIELD(u64 is_la_ether:1,
+ __BITFIELD_FIELD(u64 rsvd_0:8,
+ __BITFIELD_FIELD(u64 vlan_valid:1,
+ __BITFIELD_FIELD(u64 vlan_stacked:1,
+ __BITFIELD_FIELD(u64 stat_inc:1,
+ __BITFIELD_FIELD(u64 pcam_flag4:1,
+ __BITFIELD_FIELD(u64 pcam_flag3:1,
+ __BITFIELD_FIELD(u64 pcam_flag2:1,
+ __BITFIELD_FIELD(u64 pcam_flag1:1,
+ __BITFIELD_FIELD(u64 is_frag:1,
+ __BITFIELD_FIELD(u64 is_l3_bcast:1,
+ __BITFIELD_FIELD(u64 is_l3_mcast:1,
+ __BITFIELD_FIELD(u64 is_l2_bcast:1,
+ __BITFIELD_FIELD(u64 is_l2_mcast:1,
+ __BITFIELD_FIELD(u64 is_raw:1,
+ __BITFIELD_FIELD(u64 err_level:3,
+ __BITFIELD_FIELD(u64 err_code:8,
+ ;))))))))))))))))))))))))
+ };
+};
+
+union buf_ptr {
+ u64 u64;
+ struct {
+ __BITFIELD_FIELD(u64 size:16,
+ __BITFIELD_FIELD(u64 packet_outside_wqe:1,
+ __BITFIELD_FIELD(u64 rsvd0:5,
+ __BITFIELD_FIELD(u64 addr:42,
+ ;))))
+ };
+};
+
+union wqe_word4 {
+ u64 u64;
+ struct {
+ __BITFIELD_FIELD(u64 ptr_vlan:8,
+ __BITFIELD_FIELD(u64 ptr_layer_g:8,
+ __BITFIELD_FIELD(u64 ptr_layer_f:8,
+ __BITFIELD_FIELD(u64 ptr_layer_e:8,
+ __BITFIELD_FIELD(u64 ptr_layer_d:8,
+ __BITFIELD_FIELD(u64 ptr_layer_c:8,
+ __BITFIELD_FIELD(u64 ptr_layer_b:8,
+ __BITFIELD_FIELD(u64 ptr_layer_a:8,
+ ;))))))))
+ };
+};
+
+struct wqe {
+ union wqe_word0 word0;
+ union wqe_word1 word1;
+ union wqe_word2 word2;
+ union buf_ptr packet_ptr;
+ union wqe_word4 word4;
+ u64 wqe_data[11];
+};
+
+enum port_mode {
+ PORT_MODE_DISABLED,
+ PORT_MODE_SGMII,
+ PORT_MODE_RGMII,
+ PORT_MODE_XAUI,
+ PORT_MODE_RXAUI,
+ PORT_MODE_XLAUI,
+ PORT_MODE_XFI,
+ PORT_MODE_10G_KR,
+ PORT_MODE_40G_KR4
+};
+
+enum lane_mode {
+ R_25G_REFCLK100,
+ R_5G_REFCLK100,
+ R_8G_REFCLK100,
+ R_125G_REFCLK15625_KX,
+ R_3125G_REFCLK15625_XAUI,
+ R_103125G_REFCLK15625_KR,
+ R_125G_REFCLK15625_SGMII,
+ R_5G_REFCLK15625_QSGMII,
+ R_625G_REFCLK15625_RXAUI,
+ R_25G_REFCLK125,
+ R_5G_REFCLK125,
+ R_8G_REFCLK125
+};
+
+struct port_status {
+ int link;
+ int duplex;
+ int speed;
+};
+
+static inline u64 oct_csr_read(u64 addr)
+{
+ return __raw_readq((void __iomem *)addr);
+}
+
+static inline void oct_csr_write(u64 data, u64 addr)
+{
+ __raw_writeq(data, (void __iomem *)addr);
+}
+
+extern int ilk0_lanes;
+extern int ilk1_lanes;
+
+void bgx_nexus_load(void);
+
+int bgx_port_allocate_pknd(int node);
+int bgx_port_get_pknd(int node, int bgx, int index);
+enum port_mode bgx_port_get_mode(int node, int bgx, int index);
+int bgx_port_get_qlm(int node, int bgx, int index);
+void bgx_port_set_netdev(struct device *dev, struct net_device *netdev);
+int bgx_port_enable(struct net_device *netdev);
+int bgx_port_disable(struct net_device *netdev);
+const u8 *bgx_port_get_mac(struct net_device *netdev);
+void bgx_port_set_rx_filtering(struct net_device *netdev);
+int bgx_port_change_mtu(struct net_device *netdev, int new_mtu);
+int bgx_port_ethtool_get_link_ksettings(struct net_device *netdev,
+ struct ethtool_link_ksettings *cmd);
+int bgx_port_ethtool_get_settings(struct net_device *netdev,
+ struct ethtool_cmd *cmd);
+int bgx_port_ethtool_set_settings(struct net_device *netdev,
+ struct ethtool_cmd *cmd);
+int bgx_port_ethtool_nway_reset(struct net_device *netdev);
+int bgx_port_do_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd);
+
+void bgx_port_mix_assert_reset(struct net_device *netdev, int mix, bool v);
+
+int octeon3_pki_vlan_init(int node);
+int octeon3_pki_cluster_init(int node, struct platform_device *pdev);
+int octeon3_pki_ltype_init(int node);
+int octeon3_pki_enable(int node);
+int octeon3_pki_port_init(int node, int aura, int grp, int skip, int mb_size,
+ int pknd, int num_rx_cxt);
+int octeon3_pki_get_stats(int node, int pknd, u64 *packets, u64 *octets,
+ u64 *dropped);
+int octeon3_pki_set_ptp_skip(int node, int pknd, int skip);
+int octeon3_pki_port_shutdown(int node, int pknd);
+void octeon3_pki_shutdown(int node);
+
+void octeon3_sso_pass1_limit(int node, int grp);
+int octeon3_sso_init(int node, int aura);
+void octeon3_sso_shutdown(int node, int aura);
+int octeon3_sso_alloc_groups(int node, int *groups, int cnt, int start);
+void octeon3_sso_free_groups(int node, int *groups, int cnt);
+void octeon3_sso_irq_set(int node, int grp, bool en);
+
+int octeon3_pko_interface_init(int node, int interface, int index,
+ enum octeon3_mac_type mac_type, int ipd_port);
+int octeon3_pko_activate_dq(int node, int dq, int cnt);
+int octeon3_pko_get_fifo_size(int node, int interface, int index,
+ enum octeon3_mac_type mac_type);
+int octeon3_pko_set_mac_options(int node, int interface, int index,
+ enum octeon3_mac_type mac_type, bool fcs_en,
+ bool pad_en, int fcs_sop_off);
+int octeon3_pko_init_global(int node, int aura);
+int octeon3_pko_interface_uninit(int node, const int *dq, int num_dq);
+int octeon3_pko_exit_global(int node);
+
+#endif /* _OCTEON3_H_ */